FR780600A - Appareil de signalisation lumineuse - Google Patents

Appareil de signalisation lumineuse

Info

Publication number
FR780600A
FR780600A FR780600DA FR780600A FR 780600 A FR780600 A FR 780600A FR 780600D A FR780600D A FR 780600DA FR 780600 A FR780600 A FR 780600A
Authority
FR
France
Prior art keywords
signaling device
light signaling
light
signaling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZEISS CARL SOC
Original Assignee
ZEISS CARL SOC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZEISS CARL SOC filed Critical ZEISS CARL SOC
Application granted granted Critical
Publication of FR780600A publication Critical patent/FR780600A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
FR780600D 1934-10-26 1934-10-26 Appareil de signalisation lumineuse Expired FR780600A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR780600T 1934-10-26

Publications (1)

Publication Number Publication Date
FR780600A true FR780600A (fr) 1935-04-29

Family

ID=9205249

Family Applications (1)

Application Number Title Priority Date Filing Date
FR780600D Expired FR780600A (fr) 1934-10-26 1934-10-26 Appareil de signalisation lumineuse

Country Status (3)

Country Link
DE (1) DE604402C (fr)
FR (1) FR780600A (fr)
NL (1) NL38423C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2861172A (en) * 1955-08-18 1958-11-18 Leitz Ernst Gmbh Monochromator

Also Published As

Publication number Publication date
NL38423C (fr) 1936-06-15
DE604402C (fr) 1934-10-20

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